changeset 38910:88d574c4cb77

posix_spawn: Avoid spurious message in configure output. * m4/posix_spawn.m4 (gl_POSIX_SPAWN_WORKS): Discard stderr output from 'cmp' command.
author Bruno Haible <bruno@clisp.org>
date Sun, 29 Oct 2017 02:18:57 +0100
parents 2fb10296eb1e
children 7558397ac799
files ChangeLog m4/posix_spawn.m4
diffstat 2 files changed, 8 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/ChangeLog	Sun Oct 29 02:59:41 2017 +0200
+++ b/ChangeLog	Sun Oct 29 02:18:57 2017 +0100
@@ -1,3 +1,9 @@
+2017-10-28  Bruno Haible  <bruno@clisp.org>
+
+	posix_spawn: Avoid spurious message in configure output.
+	* m4/posix_spawn.m4 (gl_POSIX_SPAWN_WORKS): Discard stderr output from
+	'cmp' command.
+
 2017-10-28  Bruno Haible  <bruno@clisp.org>
 
 	inet_ntop, inet_pton: Determine needed library correctly on Haiku.
--- a/m4/posix_spawn.m4	Sun Oct 29 02:59:41 2017 +0200
+++ b/m4/posix_spawn.m4	Sun Oct 29 02:18:57 2017 +0100
@@ -1,4 +1,4 @@
-# posix_spawn.m4 serial 13
+# posix_spawn.m4 serial 14
 dnl Copyright (C) 2008-2017 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -224,7 +224,7 @@
          [if test -s conftest$ac_exeext \
              && ./conftest$ac_exeext > conftest.out \
              && echo 'This should be seen only once.' > conftest.ok \
-             && cmp conftest.out conftest.ok > /dev/null; then
+             && cmp conftest.out conftest.ok >/dev/null 2>&1; then
             gl_cv_func_posix_spawn_works=yes
           else
             gl_cv_func_posix_spawn_works=no